From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A034C43387 for ; Fri, 4 Jan 2019 20:44:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CA118218FF for ; Fri, 4 Jan 2019 20:44:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546634692; bh=Mii981Hesl6QbbzHdXP8lhR58X9wAbatmYZrH0QvsEk=; h=Date:From:To:Subject:References:In-Reply-To:List-ID:From; b=jbqMUXMGIO55bLHyGDm6/qb8164GaQlTfuhvqGrpoqwrkiKvPRjgwx5oXCR0SC9dr bzWxkjlwQO4Ii+dZ2BCeurZo7lGTZET242Wmx/SkTvueiasVtFUA7jXjfZBfeA8aq9 OLT2v4MXCH7TRg36aopZE91+jJXJwTFde7UDSqPA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726193AbfADUov (ORCPT ); Fri, 4 Jan 2019 15:44:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:53222 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726009AbfADUov (ORCPT ); Fri, 4 Jan 2019 15:44:51 -0500 Received: from localhost (unknown [104.132.1.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 75B0221872; Fri, 4 Jan 2019 20:44:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546634690; bh=Mii981Hesl6QbbzHdXP8lhR58X9wAbatmYZrH0QvsEk=; h=Date:From:To:Subject:References:In-Reply-To:From; b=dXParMymsqrryZ9TbnC8whTm1tAd6Fyp1/cpEjp4s6TS27rNV3/eCMQvBW26cFE/S JOJSyrkDaVoDc5jJ8Mlc/FKKIuEn6HAagS12VwoQpU3OMBuWdH5bmjnHemfMKJo2xj plTF9A1EauJbEHh4GuhbEE2FChI14o3HnlX+B6CE= Date: Fri, 4 Jan 2019 12:44:49 -0800 From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: Re: [PATCH v2] f2fs: export FS_NOCOW_FL flag to user Message-ID: <20190104204449.GD57873@jaegeuk-macbookpro.roam.corp.google.com> References: <20190104041945.31802-1-jaegeuk@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190104041945.31802-1-jaegeuk@kernel.org> User-Agent: Mutt/1.8.2 (2017-04-18) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This exports pin_file status to user. Signed-off-by: Jaegeuk Kim --- v2: - use F2FS_NOCOW_FL (aka FS_NOCOW_FL) fs/f2fs/f2fs.h | 3 ++- fs/f2fs/file.c | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 12fabd6735dd..9286ec381453 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2301,11 +2301,12 @@ static inline void f2fs_change_bit(unsigned int nr, char *addr) #define F2FS_EXTENTS_FL 0x00080000 /* Inode uses extents */ #define F2FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */ #define F2FS_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */ +#define F2FS_NOCOW_FL 0x00800000 /* Do not cow file */ #define F2FS_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */ #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ #define F2FS_RESERVED_FL 0x80000000 /* reserved for ext4 lib */ -#define F2FS_FL_USER_VISIBLE 0x304BDFFF /* User visible flags */ +#define F2FS_FL_USER_VISIBLE 0x30CBDFFF /* User visible flags */ #define F2FS_FL_USER_MODIFIABLE 0x204BC0FF /* User modifiable flags */ /* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */ diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index ae2b45e75847..0d461321edfc 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1651,6 +1651,8 @@ static int f2fs_ioc_getflags(struct file *filp, unsigned long arg) flags |= F2FS_ENCRYPT_FL; if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode)) flags |= F2FS_INLINE_DATA_FL; + if (is_inode_flag_set(inode, FI_PIN_FILE)) + flags |= F2FS_NOCOW_FL; flags &= F2FS_FL_USER_VISIBLE; -- 2.19.0.605.g01d371f741-goog